AMZN vs MSFT
Amazon · Microsoft
Superinvestor ownership overlap, unique holders, and conviction comparison.
What the ownership overlap reveals
Across 13 tracked superinvestors, 2 hold both AMZN and MSFT (15% of the combined holder base), led by Stephen Mandel (6.9% AMZN · 7.8% MSFT). AMZN appears in 3 tracked portfolios; MSFT in 12, so MSFT is the more widely held of the two among tracked managers.
Both sit in Technology, so the overlap reflects manager preference within one sector rather than a cross-sector divide. On the latest 13F cohort, AMZN’s ConvictionScore reads −8 (slight selling) against MSFT’s −8 (slight selling); the two carry the same net reading across tracked managers.
Among the 2 managers holding both, 1 size AMZN larger and 1 size MSFT larger — an even conviction split. A name held with higher weight by managers who own both is one the shared cohort is more concentrated in.
Descriptive comparison of SEC Form 13F filings (45-day reporting lag; filings can be 1–3 months old). Not investment advice — see methodology.
Ownership fingerprint
Who holds AMZN only, who holds MSFT only, and who holds both.
Of 2 shared managers, 1 weight AMZN heavier and 1 weight MSFT heavier.
- Tom Slater8.7%
- Stephen Mandel6.9 / 7.8%
- David Tepper6.4 / 5.9%
- Chris Hohn13.1%
- Terry Smith11.2%
- Chase Coleman10.7%
- Polen Capital9.4%
- Stanley Druckenmiller9.1%
- John Armitage8.9%
- William von Mueffling7.8%
- Andreas Halvorsen4.8%
- +2 more
Shared manager conviction
For managers holding both: how hard do they bet on each? Longer bar = bigger position.
Frequently asked questions
Which has more hedge-fund owners: AMZN or MSFT?
AMZN (Amazon) is held by 3 tracked superinvestors; MSFT (Microsoft) is held by 12. MSFT has 9 more tracked holders. Full ranking by % of portfolio in the table below.
What managers hold both AMZN and MSFT?
2 tracked superinvestors hold both AMZN and MSFT based on the latest SEC 13F filings. Largest dual-holder: Stephen Mandel (6.9% AMZN · 7.8% MSFT). Full overlap table below.
What is the overlap between AMZN and MSFT institutional ownership?
Across 13 unique tracked holders: 1 hold only AMZN (8%), 2 hold both (15%), 10 hold only MSFT (77%). The full Venn split + per-manager position % is on this page.
Among managers holding both AMZN and MSFT, which do they prefer?
Of 2 managers holding both, 1 weight AMZN higher and 1 weight MSFT higher in their portfolios. Even split. Per-manager position %s in the convergence table below.
Sourced from SEC 13F filings (2026). Not investment advice. Methodology.